Home / 105,048.64-144,969.15-57,303.73

Finding the Fourth Proportional to 105,048.64, 144,969.15 and 57,303.73

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Solution

The fourth proportional to 105,048.64, 144,969.15 and 57,303.73 is: 79,080.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,048.64 : 144,969.15 = 57,303.73 : x
  2. Step 2: Convert to fraction form
    105,048.64/144,969.15 = 57,303.73/x
  3. Step 3: Cross multiply
    105,048.64x = 144,969.15 × 57,303.73
  4. Step 4: Simplify right side
    105,048.64x = 8,307,273,029.93
  5. Step 5: Solve for x
    x = 8,307,273,029.93/105,048.64
  6. Step 6: Final answer
    x = 79,080.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.